noun
- the outer protective tissue of woody plants that replaces the epidermis
Usage: botanical
Examples
- The periderm forms the outer bark of mature tree trunks.
- As the tree grows, the periderm develops to protect the inner tissues.
- The cork layer is part of the periderm in many woody plants.
- Botanists study how the periderm replaces the original epidermis.
- The periderm provides waterproofing and protection from pathogens.
- Different tree species have characteristic periderm patterns.